Honeywell CP-6
| Developer | Honeywell, Inc. | 
|---|---|
| Written in | PL-6 | 
| OS family | Universal Time-Sharing System | 
| Working state | Historic, discontinued 2005 | 
| Source model | Closed source | 
| Initial release | Beta 1979 | 
| Marketing target | Former XDS Sigma CP-V customers | 
| Platforms | Honeywell Level/66 and successors | 
| Default user interface | Command-line interface | 
| License | Proprietary | 
CP-6 is a discontinued computer operating system, developed by Honeywell, Inc. in 1976, which was a backward-compatible work-alike of the Xerox CP-V, fully rewritten for Honeywell Level/66 hardware. CP-6 was a command line oriented system. A terminal emulator allowed use of PCs as CP-6 terminals.